1 files changed, 142 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-stub/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/stub/SpringContextStub.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-stub/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/stub/SpringContextStub.java
new file mode 100644
index 0000000000..062da4b2d2
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-stub/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/stub/SpringContextStub.java
@@ -0,0 +1,142 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.implementation.spring.provider.stub;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.List;
+
+import org.apache.tuscany.sca.context.PropertyValueFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.implementation.spring.SpringImplementation;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * This is the Tuscany side stub for the corresponding runtime tie class.
+ * It enables the Tuscany code to invoke methods on a Spring context without
+ * needing to know about any Spring classes. See the SpringContextTie class
+ * in the implementation-spring-runtime module for what the tie does. 
+ */
+public class SpringContextStub {
+
+    private static final String SPRING_IMPLEMENTATION_STUB =
+        "org.apache.tuscany.sca.implementation.spring.context.tie.SpringImplementationStub";
+    private static final String SPRING_CONTEXT_TIE =
+        "org.apache.tuscany.sca.implementation.spring.context.tie.SpringContextTie";
+    private Object tie;
+    private Method startMethod;
+    private Method closeMethod;
+    private Method getBeanMethod;
+
+    public SpringContextStub(RuntimeComponent component,
+                             SpringImplementation implementation,
+                             Object parentApplicationContext,
+                             ProxyFactory proxyService,
+                             PropertyValueFactory propertyValueObjectFactory) {
+
+        initTie(component, implementation, parentApplicationContext, propertyValueObjectFactory);
+
+    }
+
+    private void initTie(RuntimeComponent component,
+                         SpringImplementation implementation,
+                         Object parentApplicationContext,
+                         PropertyValueFactory propertyValueObjectFactory) {
+
+        // TODO: what class loader to use?
+        ClassLoader cl = Thread.currentThread().getContextClassLoader();
+
+        try {
+
+            Class<?> stubClass = Class.forName(SPRING_IMPLEMENTATION_STUB, true, cl);
+            Constructor<?> stubConstructor = stubClass.getConstructor(new Class<?>[] {Object.class});
+            Object stub =
+                stubConstructor.newInstance(new SpringImplementationTie(implementation, parentApplicationContext,
+                                                                        component, propertyValueObjectFactory));
+
+            Class<?> tieClass = Class.forName(SPRING_CONTEXT_TIE, true, cl);
+            Constructor<?> tieConstructor = tieClass.getConstructor(new Class<?>[] {stubClass, List.class});
+            this.tie = tieConstructor.newInstance(stub, implementation.getResource());
+
+            this.startMethod = tieClass.getMethod("start");
+            this.closeMethod = tieClass.getMethod("close");
+            this.getBeanMethod = tieClass.getMethod("getBean", String.class);
+
+        } catch (ClassNotFoundException e) {
+            throw new RuntimeException(e);
+        } catch (SecurityException e) {
+            throw new RuntimeException(e);
+        } catch (NoSuchMethodException e) {
+            throw new RuntimeException(e);
+        } catch (IllegalArgumentException e) {
+            throw new RuntimeException(e);
+        } catch (InstantiationException e) {
+            throw new RuntimeException(e);
+        } catch (IllegalAccessException e) {
+            throw new RuntimeException(e);
+        } catch (InvocationTargetException e) {
+            e.printStackTrace();
+            throw new RuntimeException(e);
+        }
+    }
+
+    public void start() {
+        try {
+            startMethod.invoke(tie);
+        } catch (IllegalArgumentException e) {
+            throw new RuntimeException(e);
+        } catch (IllegalAccessException e) {
+            throw new RuntimeException(e);
+        } catch (InvocationTargetException e) {
+            e.printStackTrace();
+            throw new RuntimeException(e);
+        }
+    }
+
+    public void close() {
+        try {
+            closeMethod.invoke(tie);
+        } catch (IllegalArgumentException e) {
+            throw new RuntimeException(e);
+        } catch (IllegalAccessException e) {
+            throw new RuntimeException(e);
+        } catch (InvocationTargetException e) {
+            e.printStackTrace();
+            throw new RuntimeException(e);
+        }
+    }
+
+    public Object getBean(String id) throws SpringInvocationException {
+        try {
+
+            return getBeanMethod.invoke(tie, id);
+
+        } catch (IllegalArgumentException e) {
+            throw new RuntimeException(e);
+        } catch (IllegalAccessException e) {
+            throw new RuntimeException(e);
+        } catch (InvocationTargetException e) {
+            e.printStackTrace();
+            throw new RuntimeException(e);
+        }
+    }
+
+}